CN202189000U - High-temperature fractured rock mass permeation testing device - Google Patents
High-temperature fractured rock mass permeation testing device Download PDFInfo
- Publication number
- CN202189000U CN202189000U CN2011202497097U CN201120249709U CN202189000U CN 202189000 U CN202189000 U CN 202189000U CN 2011202497097 U CN2011202497097 U CN 2011202497097U CN 201120249709 U CN201120249709 U CN 201120249709U CN 202189000 U CN202189000 U CN 202189000U
- Authority
- CN
- China
- Prior art keywords
- control system
- high temperature
- pressure control
- rock
- crack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000011435 rock Substances 0.000 title claims abstract description 53
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 abstract description 13
- 238000001764 infiltration Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000035515 penetration Effects 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a high temperature crack rock mass infiltration testing arrangement relates to rock mass mechanics test technique. The structure of the device is as follows: the displacement control system (30), the upstream pressure control system (10) and the downstream pressure control system (40) are respectively connected with the high-temperature penetration test box (20) to realize the control of the high-temperature penetration test box (20); the upstream pressure control system (10), the downstream pressure control system (40) and the high-temperature penetration test box (20) are respectively connected with the data acquisition system (50) to realize data acquisition. The utility model is suitable for the water seepage and air permeability tests of various fractured rock masses, and the permeability coefficient can be measured; the method can simulate and realize the permeability coefficient measurement of fractures in the fields of hot dry rock geothermal exploitation, deep shale gas exploitation, artificial induced fracture application and the like.
Description
Technical field
The utility model relates to the rock mass mechanics experimental technique, relates in particular to a kind of high temperature crack rock pervasion test device.Specifically, the utility model is the Penetration Signature of the crack that contains the different-grain diameter propping agent when different pressures and opening width under the test hot conditions.
Background technology
Perviousness is a kind of critical nature of hole and fissuted medium.The motion mobile and in the soil body of water in crack rock has visibly different rule.In these years recently, People more and more is paid attention to singularity and the importance that rock mass seepage flow itself is had.Engineering fields such as water resources and hydropower construction, rock side slope are stable, oil and natural gas exploitation, underground engineering construction, Mineral Engineering and nuclear waste disposal all run into engineering geologic structure such as the tomography, joint, crack of different development degrees in the basement rock inevitably, phreatic stable, the safety and the operation of flowing and being directly connected to engineering in these geologic structures.The exploitation of dry-heat rock body underground heat, deep resource, high efficiency of energy exploitation all relate to the research of fluid permeability, perhaps split in order to exploit must manual work to lure, and definite its infiltration coefficient; Generally all need inject propping agent and keep fracture opening, therefore, research crack rock infiltration coefficient is the problem that Geotechnical Engineering circle is badly in need of solution.
Is inequality through study and cognition to the mobile and even percolation in porous medium of the fluid in the crack rock.At present also belong to blank about the special test unit of rock cranny both at home and abroad; And some other test instrument, controlled pressure, working medium flow and crack aperture can not be done hot test and caloric test well; Can only use single fluid working substance-water, be difficult to realize CO
2Use Deng gas working medium.
Summary of the invention
The purpose of the utility model is exactly in order to overcome the above-mentioned shortcoming and defect that prior art exists; A kind of high temperature crack rock pervasion test device that can control temperature, pressure, crack, supporter is provided; Can simulate crack and manual-induced crack in the actual formation effectively, to record infiltration coefficient more accurately.
The purpose of the utility model is achieved in that
One, high temperature crack rock pervasion test device (abbreviation device)
This device comprises upstream pressure control system, seeping at high temperature chamber, displacement control system, downstream pressure control system and data acquisition system (DAS);
Displacement control system, upstream pressure control system and downstream pressure control system link to each other with the seeping at high temperature chamber respectively, realize the control to the seeping at high temperature chamber;
Upstream pressure control system, downstream pressure control system and seeping at high temperature chamber link to each other with data acquisition system (DAS) respectively, realize data acquisition.
Two, the method for testing of high temperature crack rock pervasion test device (abbreviation method)
This method comprises the following steps:
1. drill through cylindric rock sample, vertically cut open along diameter and be two halves, on cut surface, paste supporter according to test design;
2. the two halves rock sample is superimposed again, fastening with heat-shrinkable T bush parcel and pyrocondensation;
3. the sample of wrapping is placed flute profile rock sample clamper, and it is good to put into temperature control pressure chamber internal fixation,, and links to each other with the upstream and downstream volume pump at sample cylinder both ends of the surface installation end briquetting;
4. start triaxial apparatus, control crack aperture, opening pressure indoor temperature controller reaches preset temperature, starts the confined pressure system and is applied to predetermined normal pressure;
5. adjust the pressure of upstream and downstream pump, get final product turn on pump (adding fluid working substance in the pump in advance) and accomplish test;
6. the calculating of the infiltration coefficient experimental formula of crack-supporter.
In the formula:
Δ P (t) is upstream and downstream water tank pressure reduction measured values;
Δ P
iBe initial pressure reduction;
T is the elapsed time;
K is an infiltration coefficient;
A is the test specimen sectional area;
μ is the coefficient of viscosity of water;
L is a test specimen length;
S
u, S
dBe respectively the water capacity of upstream and downstream water tank, be defined as the fluid volume that the interior unit pressure of water tank changes required injection.
The utlity model has advantage and good effect:
1, through can control the crack aperture of rock mass to the adjusting of confined pressure, realizes simulation to different crack rocks;
2, through temperature control, can realize the test simulation under the different temperatures, and this device adopts is exotic material, can adapt to hot test, better to the simulate effect in deep layer hot dry rock crack;
3, respectively through of the accurate control of two volume pumps of upstream and downstream, given full play to the advantage of transient pulse method to pressure, and can be through the control of volume pump flow being carried out the test of constant flow method isopulse;
4, the use of thermal shrinkable sleeve has made things convenient for the dismounting and the control of crack aperture of rock sample, and plays the effect of oil removal.
5, this device can be studied through testing: the relation between osmotic coefficient k, stress σ, temperature T, the crack-supporter comprehensive characteristics parameter δ.
The utility model is applicable to the infiltration of various crack rocks and the test of permeation, and can record its infiltration coefficient; Can simulate and realize the infiltration coefficient measurement in crack in the fields such as the exploitation of hot dry rock underground heat, the exploitation of deep layer shale gas and the application of artificial induction crack.
Description of drawings
Fig. 1 is the block diagram of this device;
Fig. 2 is the connection synoptic diagram of this device;
_ _ be associated line; _ _ _ _ _ _ be signal connecting line,
is valve switch.
Fig. 3 is a rock sample clamping schematic three dimensional views;
Fig. 4 is a seeping at high temperature chamber synoptic diagram;
Fig. 5 is experiment process figure.
Among the figure:
10-upstream pressure control system;
The chamber of 20-seeping at high temperature,
The 21-rock sample, 22-high temperature hydraulic oil, 23-flute profile rock sample clamper,
The 24-attemperating unit, the 25-thermal shrinkable sleeve, 26-crack supporter,
The 27-end block, the 28-casing;
The 30-displacement control system;
40-downstream pressure control system;
The 50-data acquisition system (DAS),
The 51-upstream pressure sensor, the 52-downstream pressure sensor, the 53-differential pressure gauge,
The 54-data collecting card, the 55-computing machine;
The F-valve.
Embodiment
Below in conjunction with accompanying drawing and exemplifying embodiment the utility model is further specified:
One, proving installation
1, overall
Like Fig. 1,2, this device comprises upstream pressure control system 10, seeping at high temperature chamber 20, displacement control system 30, downstream pressure control system 40 and data acquisition system (DAS) 50;
Its annexation is:
Upstream pressure control system 10, downstream pressure control system 40 and seeping at high temperature chamber 20 link to each other with data acquisition system (DAS) 50 respectively, realize data acquisition.
Principle of work:
Seeping at high temperature chamber 20 splendid attire sample and hydraulic oil, and play the control action of temperature;
Upstream and downstream control pressurer system 10,40 applies different pressure to the sample upper reaches, downstream respectively, obtains needed pressure pulse, accomplishes the test of infiltration coefficient or sets certain flow rate test infiltration coefficient.
2, functional part
1) upstream pressure control system 10 and downstream pressure control system 40
Upstream pressure control system 10 all is volume pumps with downstream pressure control system 40, is a kind of testing equipment commonly used, and volume pump carries data acquisition software.
Link to each other with the upstream and downstream of rock sample respectively,, form transient pulse, accomplish the dependence test of infiltration coefficient for it provides different upstream and downstream pressure.
2) the seeping at high temperature chamber 20
Like Fig. 3,4, seeping at high temperature chamber 20 comprises rock sample 21, high temperature hydraulic oil 22, flute profile rock sample clamper 23, attemperating unit 24, thermal shrinkable sleeve 25, crack supporter 26, end block 27 and casing 28;
In the high temperature hydraulic oil 22 in casing 28, crack supporter 26 places between two semicircle rock samples 21, and it is fastening that rock sample 21 two ends connection end block 27 is also put into thermal shrinkable sleeve 25 pyrocondensations together, puts into flute profile rock sample clamper 23 more together; In high temperature hydraulic oil 22, also be provided with attemperating unit 24.
1. rock sample 21 Design and Machining are that semicircle is cylindrical.
2. high temperature hydraulic oil 22 is high temperature resistant synthetic oil.
3. flute profile rock sample clamper 23 is a kind ofly to form the cylindrical derby of hollow by two semicircle cell bodies, and both sides have the displacement drive link to link to each other with displacement control system 30 up and down.
4. attemperating unit 24 is a standard component, has temperature and shows.
5. thermal shrinkable sleeve 25 is a kind of circular plastic cement pipe.
6. crack supporter 26 is a kind of granular filling material, like silica sand.
7. end block 27 is a kind of fastening and middle porose circular metal plates that are threaded.
8. casing 28, and the double thermal insulation casing carries water-cooling circulating system.
The function of seeping at high temperature chamber 20:
Through holding the high temperature hydraulic oil 22 of certain pressure, the crack aperture of regulating rock sample through displacement control system 30; Regulate the temperature in the casing 28 by attemperating unit 24, accomplish the preceding preliminary work of test.
3) displacement control system 30
For device provides confined pressure and axle pressure.
4) data acquisition system (DAS) 50
Like Fig. 2, data acquisition system (DAS) 50 comprises upstream and downstream pressure transducer 51,52, differential pressure gauge 53, data collecting card 54 and computing machine 55;
Upstream and downstream pressure transducer 51,52 is connected with data collecting card 54 respectively with differential pressure gauge 53, and data collecting card 54 is connected with computing machine 55.
1. upstream and downstream pressure transducer 51,52 is a standard component, selects precision and frequency acquisition high product for use.
2. differential pressure gauge 53 is a standard component.
3. data collecting card 54 is a standard component.
4. computing machine 55 is computer commonly used.
Data acquisition system (DAS) 50 makes this device to test data be able to digitizing, comes the measured pressure reduction-time plot of match test through the LabVIEW acquisition software, writes down each related parameter values of test specimen automatically.
5) all valve F of this device are standard component.
Two, method of testing
Like Fig. 5, the experiment process of this method of testing is:
1st, sample prepares 510,
1. supporter processing 511,
2. rock sampling and processing 512,
2nd, test design 520,
Testing program and optimization 521;
3rd, experimental study 530,
1 group of test 531 of δ,
5 groups of tests 535 of δ,
Every group of test comprises humid test T1, T2 ... Tn also comprises stress test Y1, Y2 ... Yn;
4th, interpretation of result research 540,
Infiltration coefficient experimental formula 541.
Claims (3)
1. high temperature crack rock pervasion test device is characterized in that:
This device comprises upstream pressure control system (10), seeping at high temperature chamber (20), displacement control system (30), downstream pressure control system (40) and data acquisition system (DAS) (50);
Its annexation is:
Displacement control system (30), upstream pressure control system (10) and downstream pressure control system (40) link to each other with seeping at high temperature chamber (20) respectively;
Upstream pressure control system (10), downstream pressure control system (40) and seeping at high temperature chamber (20) link to each other with data acquisition system (DAS) (50) respectively.
2. by the described a kind of high temperature crack rock pervasion test device of claim 1, it is characterized in that:
Seeping at high temperature chamber (20) comprises rock sample (21), high temperature hydraulic oil (22), flute profile rock sample clamper (23), attemperating unit (24), thermal shrinkable sleeve (25), crack supporter (26), end block (27) and casing (28);
In the high temperature hydraulic oil (22) in casing (28); Crack supporter (26) places between two semicircle rock samples (21); Rock sample (21) two ends connect end block (27) and put into thermal shrinkable sleeve (25) together, put into flute profile rock sample clamper (23) more together; In high temperature hydraulic oil (22), also be provided with attemperating unit (24);
Rock sample (21) is that semicircle is cylindrical;
Flute profile rock sample clamper (23) is the cylindrical derby of a kind of hollow;
Thermal shrinkable sleeve (25) is a kind of circular plastic cement pipe;
Crack supporter (26) is a kind of granular filling material;
End block (27) is the porose circular metal plate in a kind of centre.
3. by the described a kind of high temperature crack rock pervasion test device of claim 1, it is characterized in that:
Data acquisition system (DAS) (50) comprises upstream and downstream pressure transducer (51,52), differential pressure gauge (53), data collecting card (54) and computing machine (55);
Upstream and downstream pressure transducer (51,52) is connected with data collecting card (54) respectively with differential pressure gauge (53), and data collecting card (54) is connected with computing machine (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202497097U CN202189000U (en) | 2011-07-14 | 2011-07-14 | High-temperature fractured rock mass permeation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202497097U CN202189000U (en) | 2011-07-14 | 2011-07-14 | High-temperature fractured rock mass permeation testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189000U true CN202189000U (en) | 2012-04-11 |
Family
ID=45920442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202497097U Expired - Lifetime CN202189000U (en) | 2011-07-14 | 2011-07-14 | High-temperature fractured rock mass permeation testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189000U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252951A (en) * | 2011-07-14 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | High-temperature fractured rock mass permeation test device and method |
| CN102661914A (en) * | 2012-05-03 | 2012-09-12 | 中国水电顾问集团华东勘测设计研究院 | High-pressure low-temperature triaxial corrosion experimental device and experimental method thereof |
| CN106872651A (en) * | 2017-04-06 | 2017-06-20 | 重庆大学 | The experimental rig and analogy method of a kind of enhanced underground heat exploitation simulation |
| CN109001051A (en) * | 2018-06-28 | 2018-12-14 | 中国科学院武汉岩土力学研究所 | Seepage experimental apparatus and its method are sheared suitable for the L-type of joint or crack rock |
| CN111504871A (en) * | 2019-12-11 | 2020-08-07 | 南通市飞宇石油科技开发有限公司 | Rock mass fracture unsaturated seepage test system |
-
2011
- 2011-07-14 CN CN2011202497097U patent/CN202189000U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252951A (en) * | 2011-07-14 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | High-temperature fractured rock mass permeation test device and method |
| CN102252951B (en) * | 2011-07-14 | 2013-03-06 | 中国科学院武汉岩土力学研究所 | High-temperature fractured rock mass permeation test device and method |
| CN102661914A (en) * | 2012-05-03 | 2012-09-12 | 中国水电顾问集团华东勘测设计研究院 | High-pressure low-temperature triaxial corrosion experimental device and experimental method thereof |
| CN106872651A (en) * | 2017-04-06 | 2017-06-20 | 重庆大学 | The experimental rig and analogy method of a kind of enhanced underground heat exploitation simulation |
| CN109001051A (en) * | 2018-06-28 | 2018-12-14 | 中国科学院武汉岩土力学研究所 | Seepage experimental apparatus and its method are sheared suitable for the L-type of joint or crack rock |
| CN109001051B (en) * | 2018-06-28 | 2023-10-03 | 中国科学院武汉岩土力学研究所 | L-shaped shear seepage experimental device and method suitable for jointed or fractured rock mass |
| CN111504871A (en) * | 2019-12-11 | 2020-08-07 | 南通市飞宇石油科技开发有限公司 | Rock mass fracture unsaturated seepage test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102252951B (en) | High-temperature fractured rock mass permeation test device and method | |
| Zhang et al. | An experimental investigation into the characteristics of hydraulic fracturing and fracture permeability after hydraulic fracturing in granite | |
| CN103954511B (en) | A kind of Fracture Networks rock shearing-seepage flow coupling experiment method | |
| CN107905778A (en) | Supercritical CO2The enhanced geothermal system experimental provision of fluid fracturing and method | |
| CN106153856B (en) | One kind evaluating apparatus of shale stability containing crack and method | |
| CN202189000U (en) | High-temperature fractured rock mass permeation testing device | |
| CN103454164A (en) | Multi-field coupled coal rock impact loading experimental device and method | |
| CN203465159U (en) | Impact loading test device for multi-field coupled coal rock | |
| CN104458445A (en) | Shear test device and shear test method in in-situ soil body pore | |
| Li et al. | Experimental and numerical investigation of the failure mechanism and permeability evolution of sandstone based on hydro-mechanical coupling | |
| CN103344537A (en) | Test method for high-temperature high-pressure pyrolysis reaction | |
| Deng et al. | Influence of sand production in an unconsolidated sandstone reservoir in a deepwater gas field | |
| CN104675395A (en) | Evaluation method for hydration characteristics of layered hard brittle mud shale | |
| Li et al. | Time-dependent empirical model for fracture propagation in soil grouting | |
| CN107762482A (en) | A kind of rock fracture seepage flow underground heat exploits simulation system | |
| CN106198259A (en) | A kind of method determining rock monsteady state creep parameter | |
| CN102809522A (en) | Method for processing double-media core and application of double-media core | |
| CN113049394A (en) | Experimental device and method for simulating hydraulic fracturing of hard roof rock stratum of coal mine | |
| Ma et al. | A new shear rheological model for a soft interlayer with varying water content | |
| Geng et al. | Development and application of triaxial seepage test system for gas-water two-phase in coal rock | |
| Zhang et al. | Experimental research on permeability variation from the process of hydraulic fracturing of high-rank coal | |
| CN103195401A (en) | Coal reservoir yield increasing transforming experiment device under stratum conditions | |
| Liu et al. | Experimental studies on hydro-mechanical properties of metamorphic rock under hydraulic pressures | |
| Cai et al. | Numerical study on the evolution of mesoscopic properties and permeability in sandstone under hydromechanical coupling conditions involving industrial internet of things | |
| CN208473837U (en) | A kind of down-hole casing deformation simulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20130306 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |